Home / 39,913,346.40-59,870,019.60-12,987,002.40

Finding the Fourth Proportional to 39,913,346.40, 59,870,019.60 and 12,987,002.40

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Solution

The fourth proportional to 39,913,346.40, 59,870,019.60 and 12,987,002.40 is: 19,480,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913,346.40 : 59,870,019.60 = 12,987,002.40 : x
  2. Step 2: Convert to fraction form
    39,913,346.40/59,870,019.60 = 12,987,002.40/x
  3. Step 3: Cross multiply
    39,913,346.40x = 59,870,019.60 × 12,987,002.40
  4. Step 4: Simplify right side
    39,913,346.40x = 777,532,088,233,247.12
  5. Step 5: Solve for x
    x = 777,532,088,233,247.12/39,913,346.40
  6. Step 6: Final answer
    x = 19,480,503.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.